The Collaborative International Dictionary
Allantoic
Allantoic \Al`lan*to"ic\, a. [Cf. F. allanto["i]que.] Pertaining to, or contained in, the allantois.
Allantoic acid. (Chem.) See Allantoin.
Wiktionary
WordNet
allantoic
adj. relating to or characterized by an allantois